Nokia 3410 - Page 4

CONFIDENTIAL 4 (44)
NHM—2/5/6 Repairhints
Customer Care Europe, Middle East & Africa 3410 Version 4.0 Approved
SCCE Training Group Date 20.11.2002
© NMP 2002
Checked by:
Customer Care E&A
Approved by:
SCCE Training Group
Contents
PREFACE 2
General 2
Introduction 3
List of flowcharts 6
List of figures 6
Important Information 7
AM Suppression tuning 8
CHAPTER 1 HW – CHANGES 11
Difficulties when removing B-Cover (SB13 / NHM-5) 11
Intermittent switch-off problem (SB 28 / NHM-5, SB 7 / NHM 6) 11
Correct component replacement in UB4_ 10 or later of NHM-5 (SB053) and NHM-6 (SB31) 12
HW Change description Overview of NHM-2/6 13
CHAPTER 2 CHANGING OF D301 14
Step by step description of changing the FLASH/EEPROM –combination D301 14-16
CHAPTER 3 PHONE DOES NOT SWITCH ON 17-19
CHAPTER 4 FLASH UPDATE NOT POSSIBLE 20
Failure message ”MCU boot failure,serial clock-/data line failure” 21
Failure message ”Algorithm code fail / alias ID missing” 21
Failure message ”External RAM failure” 21
CHAPTER 5 PHONE SWITCHES OFF INTERMITTENT 22
CHAPTER 6 LOW STANDBY / OPERATION MODE TIME 23
Low standby / operation time 23-24
Off state current fail 24
Sleep mode current fail 24
CHAPTER 7 NOT CHARGING 25
Not charging 26
Nothing happens if charger is connected 26
Display message “Not charging” 26
Display message “Reconnect charger”